1973801 has 4 divisors (see below), whose sum is σ = 2037504. Its totient is φ = 1910100.

The previous prime is 1973779. The next prime is 1973813. The reversal of 1973801 is 1083791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1083791 = 31 ⋅34961.

It is a cyclic number.

It is not a de Polignac number, because 1973801 - 2⁶ = 1973737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1973821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31805 + ... + 31866.

It is an arithmetic number, because the mean of its divisors is an integer number (509376).

2^1973801 is an apocalyptic number.

It is an amenable number.

1973801 is a deficient number, since it is larger than the sum of its proper divisors (63703).

1973801 is an equidigital number, since it uses as much as digits as its factorization.

1973801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63702.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1973801 is about 1404.9202824360. The cubic root of 1973801 is about 125.4395406208.

The spelling of 1973801 in words is "one million, nine hundred seventy-three thousand, eight hundred one".